spielereinen mit der implementierung eines Warenkorbes + einige Tests

pom.xml

src/main/java/org/s4s/MyUI.java

src/main/java/org/s4s/gui/views/ArtikeldetailsView.java

src/main/java/org/s4s/gui/views/BenutzerkontoView.java

src/main/java/org/s4s/gui/views/CheckoutView.java

src/main/java/org/s4s/gui/views/FaqView.java

src/main/java/org/s4s/gui/views/ImpressumView.java

src/main/java/org/s4s/gui/views/KaufbestaetigungView.java

src/main/java/org/s4s/gui/views/LoginView.java

src/main/java/org/s4s/gui/views/PasswortView.java

src/main/java/org/s4s/gui/views/ShopView.java

src/main/java/org/s4s/gui/views/VerkaeuferbewertungView.java

src/main/java/org/s4s/gui/views/WarenkorbView.java

src/main/java/org/s4s/gui/views/WelcomeView.java

src/main/java/org/s4s/modell/objects/dto/Kunde.java

src/main/java/org/s4s/modell/objects/dto/Product.java

src/main/java/org/s4s/modell/objects/dto/Warenkorb.java

src/main/java/org/s4s/services/util/Views.java

src/test/java/org/s4s/matchers/UtilityMatchers.java

src/test/java/org/s4s/modell/object/dto/ProductTest.java